School participation is measured by the Pure Participation Rate (APM). This study examines whether data mining can generate new knowledge. The Central Sumatra Statistic Agency (BPS-North Sumatra) provided secondary statistics on APM city/district (2011–2019) for elementary, junior high, high school, and PT. Data uses clustering (k-means) classification (Decision tree). cluster maps APM. Mapping...

Photovoltaic (PV) systems are electric power designed to supply usable solar by means of photovoltaics, which is the conversion light into electricity using semiconducting materials. PV have gained much attention and a very attractive energy resource nowadays. The substantial advantage usage most abundant free from sun. play an important role in reducing feeder losses, improving voltage profile...